5. In a denaturing polyacrylamide gel electrophoresis experiment, pure intact adult human hemoglobin will yield ________ (number) bands. How Many Bands Does Adult Human Hemoglobin Produce in Denaturing Polyacrylamide Gel […]
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CSIR NET Life Science Previous Year Questions and Solution on EXTENSION OF MENDELIAN PRINCIPLES (62)
IIT JAM Biotechnology Previous Year Question paper Topic Biotechniques
Main Components of a Transmission Electron Microscope
4. Components of a Transmission Electron Microscope are (A) Electron gun, objective lens, positron beam, projector lens (B)Neutron beam, projector lens, objective lens, evacuated tube (C)Electron beam, projector lens, objective […]
IIT JAM Biotechnology Previous Year Question paper Topic Biotechniques
Stationary Phase Used in Cation-Exchange Chromatography?
3. The stationary phase of cation-exchange chromatography can be (A) DEAE-cellulose (B) CM-cellulose (C) Sephadex G-50 (D) Heparin-Sepharose Which Stationary Phase Is Used in Cation-Exchange Chromatography? Correct Answer: (B) CM-Cellulose […]
IIT JAM Biotechnology Previous Year Question paper Topic Biotechniques
Calculate Total Magnification Power of Compound Microscope
2. In a compound microscope, the magnification power of the objective lens is 100x, and that of the eye piece (ocular lens) is 10x. The magnification power of the microscope […]
IIT JAM Biotechnology Previous Year Question paper Topic Biotechniques
Which Microscopy Technique Provides a 3D View of Live
1. Which one of the following microscopic techniques provides a 3-dimensional perspective of live, unstained and transparent specimens obtained from the wild? (A) Confocal microscopy (B) Fluorescence microscopy (C) Phase […]
![40. Assertion [A]: lac operon is an inducible operon. Reason [R]: lac operon is not induced when the repressor protein remains bound to the operator DNA sequence. (A) Both [a] and [r] are true and [r] is the correct reason for [a] (B) Both [a] and [r] are true but [r] is not the correct reason for [a] (C) Both [a] and [r] are false (D) [a] is true but [r] is false](https://www.letstalkacademy.com/wp-content/uploads/2026/07/1-40-1.jpg)
IIT JAM Biotechnology Previous Year Question paper Topic Molecular Biology
Why Is the Lac Operon an Inducible Operon?
40. Assertion [A]: lac operon is an inducible operon. Reason [R]: lac operon is not induced when the repressor protein remains bound to the operator DNA sequence. (A) Both [a] […]
IIT JAM Biotechnology Previous Year Question paper Topic Molecular Biology
Match snRNA, piRNA, snoRNA and siRNA
39. Match the RNAs in Group I with their corresponding function in Group II. Group I Group II (P) snRNA (1) rRNA processing (Q) piRNA (2) RNA splicing (R) snoRNA […]
IIT JAM Biotechnology Previous Year Question paper Topic Molecular Biology
Transcriptional Regulation of Nitrogen Assimilation
38. Which one of the following σ (sigma) factors is responsible for the transcriptional regulation of nitrogen assimilation? (A) σ70 (B) σ54 (C) σ28 (D) σ24 Which Sigma Factor Is […]
IIT JAM Biotechnology Previous Year Question paper Topic Molecular Biology
How Many Types of Aminoacyl-tRNA Synthetases
37. In the genetic code, 61 codons code for 20 amino acids. How many types of aminoacyl tRNA synthetases are required for correct matching of tRNAs to their corresponding amino […]
IIT JAM Biotechnology Previous Year Question paper Topic Molecular Biology
Which Statement Is Not True of RNA Polymerase II?
36. Which one of the following is NOT TRUE of RNA polymerase II? (A) It requires a primer to initiate the transcription (B) It makes an RNA copy of only […]
